Security Clearance Jobs in Chantilly, VA

Date Posted: 2026-11-10 Country: United States of America Location: US-AZ-TUCSON-801 ~ 1151 E Hermans Rd ~ BLDG 801 (External Site) Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigra...

Join a Company Where Your Work Makes a Difference At ISN, we believe our people are the driving force behind our success. For more than 45 years, we've partnered with over 150 federal agencies to...

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purp...

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purp...

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purp...

Applications for this position will be accepted through 11/18/26 Koniag IT Systems, LLC, a Koniag Government Services company, is seeking a Migration Engineer with a Secret security clearance to s...

Job Family : IT Risk & Controls Consulting Travel Required : Up to 10% Clearance Required : Active Top Secret SCI with Polygraph What You Will Do : The IT Advisory Manager will lead stakeholde...

Description Join Pegasus, a mission driven satellite program at the forefront of national defense innovation. Our team is developing cutting-edge technologies that directly support critical Departm...

Description Join a mission driven satellite program at the forefront of national defense innovation. Our team is developing cutting edge technologies that directly support critical Department of Wa...

The Aerospace Corporation is the trusted partner to the nation's space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded researc...

Job Title: SQL Database Administrator / Database Performance Engineer - ServiceNow Platform Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI wit...

Job Title: CMDB Operations Manager Job Category: Engineering and Technical Support Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentag...

Job Title: IT Sustainment Engineer/Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular...

Job Title: IT Sustainment Engineer/Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular...

RMF Execution & Compliance Lead and support all phases of the Risk Management Framework (RMF) process in accordance with NIST SP 800-37 and related standards. Develop, maintain, and update RMF documen...

Applications for this position will be accepted through 12/31/26. This position supports a contract that has not yet been awarded to the Company, and the application deadline and start date depend on ...

Purpose and Impact:A Security Administrator will provide personnel security support to a government customer in a dynamic and challenging environment. Work Schedule: 5 days, 8 hrs/day; hours must fal...

Purpose and Impact: Amentum is seeking security-minded, critical thinkers with strong communication and analytical skills to join our team of security analysts providing adjudicative support a govern...

Purpose and Impact:Amentum is currently seeking a Subcontracts Administrator! This is a wonderful opportunity to gain more experience as a Subcontracts Administrator in a fast-paced, rapidly growing o...

Technical Training Instructor: *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and S...